6 rheaders = /^(.*?):\s*(.*?)\r?$/mg, // IE leaves an \r character at EOL
7 rinput = /^(?:color|date|datetime|email|hidden|month|number|password|range|search|tel|text|time|url|week)$/i,
8 rnoContent = /^(?:GET|HEAD)$/,
10 rscript = /<script\b[^<]*(?:(?!<\/script>)<[^<]*)*<\/script>/gi,
11 rselectTextarea = /^(?:select|textarea)/i,
12 rts = /([?&])_=[^&]*/,
13 rurl = /^(\w+:)?\/\/([^\/?#:]+)(?::(\d+))?/,
17 sliceFunc = Array.prototype.slice,
19 // Keep a copy of the old load method
20 _load = jQuery.fn.load;
23 load: function( url, params, callback ) {
24 if ( typeof url !== "string" && _load ) {
25 return _load.apply( this, arguments );
27 // Don't do a request if no elements are being requested
28 } else if ( !this.length ) {
32 var off = url.indexOf(" ");
34 var selector = url.slice(off, url.length);
35 url = url.slice(0, off);
38 // Default to a GET request
41 // If the second parameter was provided
44 if ( jQuery.isFunction( params ) ) {
45 // We assume that it's the callback
49 // Otherwise, build a param string
50 } else if ( typeof params === "object" ) {
51 params = jQuery.param( params, jQuery.ajaxSettings.traditional );
58 // Request the remote document
64 // Complete callback (responseText is used internally)
65 complete: function( jXHR, status, responseText ) {
66 // Store the response as specified by the jXHR object
67 responseText = jXHR.responseText;
68 // If successful, inject the HTML into all the matched elements
69 if ( jXHR.isResolved() ) {
70 // #4825: Get the actual response in case
71 // a dataFilter is present in ajaxSettings
72 jXHR.done(function( r ) {
75 // See if a selector was specified
77 // Create a dummy div to hold the results
79 // inject the contents of the document in, removing the scripts
80 // to avoid any 'Permission Denied' errors in IE
81 .append(responseText.replace(rscript, ""))
83 // Locate the specified elements
86 // If not, just inject the full result
91 self.each( callback, [responseText, status, jXHR] );
99 serialize: function() {
100 return jQuery.param(this.serializeArray());
103 serializeArray: function() {
104 return this.map(function(){
105 return this.elements ? jQuery.makeArray(this.elements) : this;
108 return this.name && !this.disabled &&
109 (this.checked || rselectTextarea.test(this.nodeName) ||
110 rinput.test(this.type));
112 .map(function(i, elem){
113 var val = jQuery(this).val();
117 jQuery.isArray(val) ?
118 jQuery.map( val, function(val, i){
119 return { name: elem.name, value: val.replace(rCRLF, "\r\n") };
121 { name: elem.name, value: val.replace(rCRLF, "\r\n") };
126 // Attach a bunch of functions for handling common AJAX events
127 jQuery.each( "ajaxStart ajaxStop ajaxComplete ajaxError ajaxSuccess ajaxSend".split(" "), function(i,o){
128 jQuery.fn[o] = function(f){
129 return this.bind(o, f);
133 jQuery.each( [ "get", "post" ], function( i, method ) {
134 jQuery[ method ] = function( url, data, callback, type ) {
135 // shift arguments if data argument was omited
136 if ( jQuery.isFunction( data ) ) {
137 type = type || callback;
154 getScript: function( url, callback ) {
155 return jQuery.get(url, null, callback, "script");
158 getJSON: function( url, data, callback ) {
159 return jQuery.get(url, data, callback, "json");
162 ajaxSetup: function( settings ) {
163 jQuery.extend( true, jQuery.ajaxSettings, settings );
171 contentType: "application/x-www-form-urlencoded",
187 xml: "application/xml, text/xml",
190 json: "application/json, text/javascript",
201 // 1) They are useful to introduce custom dataTypes (see transport/jsonp for an example)
202 // 2) These are called:
203 // * BEFORE asking for a transport
204 // * AFTER param serialization (s.data is a string if s.processData is true)
205 // 3) key is the dataType
206 // 4) the catchall symbol "*" can be used
207 // 5) execution will start with transport dataType and THEN continue down to "*" if needed
210 // Transports bindings
211 // 1) key is the dataType
212 // 2) the catchall symbol "*" can be used
213 // 3) selection will start with transport dataType and THEN go to "*" if needed
216 // List of data converters
217 // 1) key format is "source_type destination_type" (a single space in-between)
218 // 2) the catchall symbol "*" can be used for source_type
221 // Convert anything to text
222 "* text": window.String,
224 // Text to html (true = no transformation)
227 // Evaluate text as a json expression
228 "text json": jQuery.parseJSON,
231 "text xml": jQuery.parseXML
234 // Utility function that handles dataType when response is received
235 // (for those transports that can give text or xml responses)
236 determineDataType: function( ct , text , xml ) {
239 contents = s.contents,
242 dataTypes = s.dataTypes,
243 transportDataType = dataTypes[0],
246 // Auto (xml, json, script or text determined given headers)
247 if ( transportDataType === "*" ) {
249 for ( type in contents ) {
250 if ( ( regexp = contents[ type ] ) && regexp.test( ct ) ) {
251 transportDataType = dataTypes[0] = type;
257 // xml and parsed as such
258 if ( transportDataType === "xml" &&
260 xml.documentElement /* #4958 */ ) {
264 // Text response was provided
269 // If it's not really text, defer to converters
270 if ( transportDataType !== "text" ) {
271 dataTypes.unshift( "text" );
282 ajax: function( url , options ) {
285 if ( arguments.length === 1 ) {
287 url = options ? options.url : undefined;
290 // Force options to be an object
291 options = options || {};
293 // Get the url if provided separately
294 options.url = url || options.url;
296 var // Create the final options object
297 s = jQuery.extend( true , {} , jQuery.ajaxSettings , options ),
299 jQuery_lastModified = jQuery.lastModified,
300 jQuery_etag = jQuery.etag,
301 // Callbacks contexts
302 callbackContext = options.context || s.context || s,
303 globalEventContext = callbackContext === s ? jQuery.event : jQuery( callbackContext ),
305 deferred = jQuery.Deferred(),
306 completeDeferred = jQuery._Deferred(),
307 // Status-dependent callbacks
308 statusCode = s.statusCode || {},
309 // Headers (they are sent all at once)
312 responseHeadersString,
318 // Cross-domain detection vars
319 loc = document.location,
320 protocol = loc.protocol || "http:",
332 setRequestHeader: function(name,value) {
334 requestHeaders[ name.toLowerCase() ] = value;
340 getAllResponseHeaders: function() {
341 return state === 2 ? responseHeadersString : null;
344 // Builds headers hashtable if needed
345 getResponseHeader: function( key ) {
351 if ( !responseHeaders ) {
353 responseHeaders = {};
355 while( ( match = rheaders.exec( responseHeadersString ) ) ) {
356 responseHeaders[ match[ 1 ].toLowerCase() ] = match[ 2 ];
359 match = responseHeaders[ key.toLowerCase() ];
363 return match || null;
366 // Cancel the request
367 abort: function( statusText ) {
369 transport.abort( statusText || "abort" );
371 done( 0 , statusText );
376 // We force the original context
377 // (plain objects used as context get extended)
378 s.context = options.context;
380 // Callback for when everything is done
381 // It is defined here because jslint complains if it is declared
382 // at the end of the function (which would be more logical and readable)
383 function done( status , statusText , response , headers) {
390 // State is "done" now
393 // Dereference transport for early garbage collection
394 // (no matter how long the jXHR transport will be used
395 transport = undefined;
398 jXHR.readyState = status ? 4 : 0;
400 // Cache response headers
401 responseHeadersString = headers || "";
403 // Clear timeout if it exists
404 if ( timeoutTimer ) {
405 clearTimeout(timeoutTimer);
410 // and ifModified status
411 ifModified = s.ifModified,
420 // Keep track of statusCode callbacks
421 oldStatusCode = statusCode;
423 statusCode = undefined;
425 // If successful, handle type chaining
426 if ( status >= 200 && status < 300 || status === 304 ) {
428 // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
429 if ( s.ifModified ) {
431 var lastModified = jXHR.getResponseHeader("Last-Modified"),
432 etag = jXHR.getResponseHeader("Etag");
435 jQuery_lastModified[ s.url ] = lastModified;
438 jQuery_etag[ s.url ] = etag;
443 if ( status === 304 ) {
445 // Set the statusText accordingly
446 statusText = "notmodified";
453 // Set the statusText accordingly
454 statusText = "success";
456 // Chain data conversions and determine the final value
457 // (if an exception is thrown in the process, it'll be notified as an error)
465 // Conversion expression
467 // Conversion function
469 // Conversion functions (when text is used in-between)
472 // Local references to dataTypes & converters
473 dataTypes = s.dataTypes,
474 converters = s.converters,
475 // DataType to responseXXX field mapping
481 // For each dataType in the chain
482 for( i = 0 ; i < dataTypes.length ; i++ ) {
484 current = dataTypes[ i ];
486 // If a responseXXX field for this dataType exists
487 // and if it hasn't been set yet
488 if ( responses[ current ] ) {
490 jXHR[ "response" + responses[ current ] ] = response;
492 responses[ current ] = 0;
495 // If this is not the first element
498 // Get the dataType to convert from
499 prev = dataTypes[ i - 1 ];
501 // If no catch-all and dataTypes are actually different
502 if ( prev !== "*" && current !== "*" && prev !== current ) {
505 conversion = prev + " " + current;
506 conv = converters[ conversion ] || converters[ "* " + current ];
510 // If there is no direct converter and none of the dataTypes is text
511 if ( ! conv && prev !== "text" && current !== "text" ) {
512 // Try with text in-between
513 conv1 = converters[ prev + " text" ] || converters[ "* text" ];
514 conv2 = converters[ "text " + current ];
515 // Revert back to a single converter
516 // if one of the converter is an equivalence
517 if ( conv1 === true ) {
519 } else if ( conv2 === true ) {
523 // If we found no converter, dispatch an error
524 if ( ! ( conv || conv1 && conv2 ) ) {
527 // If found converter is not an equivalence
528 if ( conv !== true ) {
529 // Convert with 1 or 2 converters accordingly
530 response = conv ? conv( response ) : conv2( conv1( response ) );
533 // If it is the first element of the chain
534 // and we have a dataFilter
535 } else if ( s.dataFilter ) {
536 // Apply the dataFilter
537 response = s.dataFilter( response , current );
538 // Get dataTypes again in case the filter changed them
539 dataTypes = s.dataTypes;
544 // We have a real success
548 // If an exception was thrown
551 // We have a parsererror
552 statusText = "parsererror";
558 // if not success, mark it as an error
561 error = statusText = statusText || "error";
563 // Set responseText if needed
565 jXHR.responseText = response;
569 // Set data for the fake xhr object
570 jXHR.status = status;
571 jXHR.statusText = statusText;
575 deferred.fire( callbackContext , [ success , statusText , jXHR ] );
577 deferred.fireReject( callbackContext , [ jXHR , statusText , error ] );
580 // Status-dependent callbacks
581 jXHR.statusCode( oldStatusCode );
584 globalEventContext.trigger( "ajax" + ( isSuccess ? "Success" : "Error" ) ,
585 [ jXHR , s , isSuccess ? success : error ] );
589 completeDeferred.fire( callbackContext, [ jXHR , statusText ] );
592 globalEventContext.trigger( "ajaxComplete" , [ jXHR , s] );
593 // Handle the global AJAX counter
594 if ( ! --jQuery.active ) {
595 jQuery.event.trigger( "ajaxStop" );
601 deferred.promise( jXHR );
602 jXHR.success = jXHR.done;
603 jXHR.error = jXHR.fail;
604 jXHR.complete = completeDeferred.done;
606 // Status-dependent callbacks
607 jXHR.statusCode = function( map ) {
612 statusCode[ tmp ] = [ statusCode[ tmp ] , map[ tmp ] ];
615 tmp = map[ jXHR.status ];
616 jXHR.done( tmp ).fail( tmp );
622 // Remove hash character (#7531: and string promotion)
623 s.url = ( "" + s.url ).replace( rhash , "" );
625 // Extract dataTypes list
626 s.dataTypes = jQuery.trim( s.dataType || "*" ).toLowerCase().split( /\s+/ );
628 // Determine if a cross-domain request is in order
629 if ( ! s.crossDomain ) {
630 parts = rurl.exec( s.url.toLowerCase() );
633 ( parts[ 1 ] && parts[ 1 ] != protocol ||
634 parts[ 2 ] != loc.hostname ||
635 ( parts[ 3 ] || ( ( parts[ 1 ] || protocol ) === "http:" ? 80 : 443 ) )
636 != ( loc.port || ( protocol === "http:" ? 80 : 443 ) ) )
640 // Convert data if not already a string
641 if ( s.data && s.processData && typeof s.data !== "string" ) {
642 s.data = jQuery.param( s.data , s.traditional );
646 jQuery.ajaxPrefilter( s , options );
648 // Uppercase the type
649 s.type = s.type.toUpperCase();
651 // Determine if request has content
652 s.hasContent = ! rnoContent.test( s.type );
654 // Watch for a new set of requests
655 if ( s.global && jQuery.active++ === 0 ) {
656 jQuery.event.trigger( "ajaxStart" );
659 // More options handling for requests with no content
660 if ( ! s.hasContent ) {
662 // If data is available, append data to url
664 s.url += ( rquery.test( s.url ) ? "&" : "?" ) + s.data;
667 // Add anti-cache in url if needed
668 if ( s.cache === false ) {
670 var ts = jQuery.now(),
671 // try replacing _= if it is there
672 ret = s.url.replace( rts , "$1_=" + ts );
674 // if nothing was replaced, add timestamp to the end
675 s.url = ret + ( (ret == s.url ) ? ( rquery.test( s.url ) ? "&" : "?" ) + "_=" + ts : "");
679 // Set the correct header, if data is being sent
680 if ( s.data && s.hasContent && s.contentType !== false || options.contentType ) {
681 requestHeaders[ "content-type" ] = s.contentType;
684 // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
685 if ( s.ifModified ) {
686 if ( jQuery_lastModified[ s.url ] ) {
687 requestHeaders[ "if-modified-since" ] = jQuery_lastModified[ s.url ];
689 if ( jQuery_etag[ s.url ] ) {
690 requestHeaders[ "if-none-match" ] = jQuery_etag[ s.url ];
694 // Set the Accepts header for the server, depending on the dataType
695 requestHeaders.accept = s.dataTypes[ 0 ] && s.accepts[ s.dataTypes[ 0 ] ] ?
696 s.accepts[ s.dataTypes[ 0 ] ] + ( s.dataTypes[ 0 ] !== "*" ? ", */*; q=0.01" : "" ) :
699 // Check for headers option
700 for ( i in s.headers ) {
701 requestHeaders[ i.toLowerCase() ] = s.headers[ i ];
704 // Allow custom headers/mimetypes and early abort
705 if ( s.beforeSend && ( s.beforeSend.call( callbackContext , jXHR , s ) === false || state === 2 ) ) {
707 // Abort if not done already
715 // Install callbacks on deferreds
716 for ( i in { success:1, error:1, complete:1 } ) {
721 transport = jQuery.ajaxTransport( s , options );
723 // If no transport, we auto-abort
726 done( 0 , "notransport" );
730 // Set state as sending
731 state = jXHR.readyState = 1;
735 globalEventContext.trigger( "ajaxSend" , [ jXHR , s ] );
739 if ( s.async && s.timeout > 0 ) {
740 timeoutTimer = setTimeout(function(){
741 jXHR.abort( "timeout" );
747 transport.send(requestHeaders, done);
749 // Propagate exception as error if not done
750 if ( status === 1 ) {
752 done(0, "error", "" + e);
755 // Simply rethrow otherwise
766 // Serialize an array of form elements or a set of
767 // key/values into a query string
768 param: function( a, traditional ) {
770 add = function( key, value ) {
771 // If value is a function, invoke it and return its value
772 value = jQuery.isFunction(value) ? value() : value;
773 s[ s.length ] = encodeURIComponent(key) + "=" + encodeURIComponent(value);
776 // Set traditional to true for jQuery <= 1.3.2 behavior.
777 if ( traditional === undefined ) {
778 traditional = jQuery.ajaxSettings.traditional;
781 // If an array was passed in, assume that it is an array of form elements.
782 if ( jQuery.isArray(a) || a.jquery ) {
783 // Serialize the form elements
784 jQuery.each( a, function() {
785 add( this.name, this.value );
789 // If traditional, encode the "old" way (the way 1.3.2 or older
790 // did it), otherwise encode params recursively.
791 for ( var prefix in a ) {
792 buildParams( prefix, a[prefix], traditional, add );
796 // Return the resulting serialization
797 return s.join("&").replace(r20, "+");
801 function buildParams( prefix, obj, traditional, add ) {
802 if ( jQuery.isArray(obj) && obj.length ) {
803 // Serialize array item.
804 jQuery.each( obj, function( i, v ) {
805 if ( traditional || rbracket.test( prefix ) ) {
806 // Treat each array item as a scalar.
810 // If array item is non-scalar (array or object), encode its
811 // numeric index to resolve deserialization ambiguity issues.
812 // Note that rack (as of 1.0.0) can't currently deserialize
813 // nested arrays properly, and attempting to do so may cause
814 // a server error. Possible fixes are to modify rack's
815 // deserialization algorithm or to provide an option or flag
816 // to force array serialization to be shallow.
817 buildParams( prefix + "[" + ( typeof v === "object" || jQuery.isArray(v) ? i : "" ) + "]", v, traditional, add );
821 } else if ( !traditional && obj != null && typeof obj === "object" ) {
822 // If we see an array here, it is empty and should be treated as an empty
824 if ( jQuery.isArray( obj ) || jQuery.isEmptyObject( obj ) ) {
827 // Serialize object item.
829 jQuery.each( obj, function( k, v ) {
830 buildParams( prefix + "[" + k + "]", v, traditional, add );
835 // Serialize scalar item.
840 // This is still on the jQuery object... for now
841 // Want to move this to jQuery.ajax some day
844 // Counter for holding the number of active queries
847 // Last-Modified header cache for next request
853 //Execute or select from functions in a given structure of options
854 function ajax_selectOrExecute( structure , s , options ) {
856 var dataTypes = s.dataTypes,
864 noSelect = structure !== "transports";
866 function initSearch( dataType ) {
868 flag = transportDataType !== dataType && ! checked[ dataType ];
872 checked[ dataType ] = 1;
873 transportDataType = dataType;
874 list = s[ structure ][ dataType ];
876 length = list ? list.length : 0 ;
882 initSearch( dataTypes[ 0 ] );
884 for ( i = 0 ; ( noSelect || ! selected ) && i <= length ; i++ ) {
886 if ( i === length ) {
892 selected = list[ i ]( s , options );
894 // If we got redirected to another dataType
895 // Search there (if not in progress or already tried)
896 if ( typeof( selected ) === "string" &&
897 initSearch( selected ) ) {
899 dataTypes.unshift( selected );
905 return noSelect ? jQuery : selected;
908 // Add an element to one of the structures in ajaxSettings
909 function ajax_addElement( structure , args ) {
913 length = args.length,
924 first = jQuery.type( args[ 0 ] );
926 if ( first === "object" ) {
927 return ajax_selectOrExecute( structure , args[ 0 ] , args[ 1 ] );
930 structure = jQuery.ajaxSettings[ structure ];
932 if ( first !== "function" ) {
934 dataTypes = args[ 0 ].toLowerCase().split(/\s+/);
935 dLength = dataTypes.length;
940 if ( dLength && start < length ) {
942 functors = sliceFunc.call( args , start );
944 for( i = 0 ; i < dLength ; i++ ) {
946 dataType = dataTypes[ i ];
948 first = /^\+/.test( dataType );
951 dataType = dataType.substr(1);
954 if ( dataType !== "" ) {
956 append = Array.prototype[ first ? "unshift" : "push" ];
957 list = structure[ dataType ] = structure[ dataType ] || [];
958 append.apply( list , functors );
967 // Install prefilter & transport methods
968 jQuery.each( [ "Prefilter" , "Transport" ] , function( _ , name ) {
969 _ = name.toLowerCase() + "s";
970 jQuery[ "ajax" + name ] = function() {
971 return ajax_addElement( _ , arguments );